Rover 600 turbo alternator bearings

the old posts wasn't any help.

i bought a refurbished alternator from ebay in october 2013 because the bearings in the old one started whining.



1 year later the new one also started whining and making a metalic grinding noise. I doubt there is any warranty since i bought it from ebay, so i am considering trying to replace the bearings. tried it once before on the old one, but it was "soldered" together and i damage it too much :/



has anyone done this on a 600 turbo alternator with AC?

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